发明人冯建国,王建平,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108956659 A, 授权公告日 2019-02-20.
发明人沈红梅,王建平,冯建国. "Method for the Synthesis of Ammonium 2,2'-((2-(2-(2-(bis(carboxylatomethyl)amino)-5-(3,6-bis(dimethylamino)xanthylium-9-yl)phenoxy)ethoxy)phenyl)azanediyl)diacetate" [P]. 中国发明专利, 专利号 CN 117874157 B, 授权公告日 2022-05-28.
发明人王建平,周伟,林芳. "A Process for Preparing High-Purity Ammonium 2,2'-((2-(2-(2-(bis(carboxylatomethyl)amino)-5-(3,6-bis(dimethylamino)xanthylium-9-yl)phenoxy)ethoxy)phenyl)azanediyl)diacetate" [P]. 中国发明专利, 专利号 CN 117783389 B, 授权公告日 2023-03-04.
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